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An Exhibit on Communications

Thomas Edison's improved stock ticker. A parade in the making.(Peter Lindell/CSTM)

In the time it takes to switch on a light you can send an electrical signal anywhere in the world. All our modern communications technologies - telephone, radio, television, the Internet - harness electrical energy to carry information. Connexions is the story of how these technologies work, how they were conceived by their inventors and shaped by their users and how they have affected the way we live.



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